{
  "manageEntity": {
    "action": "Update",
    "entityId": "539962318",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierayinmwjxogfwse6e2menn5o3cvq2vzxmeqrehu3xg6v4vjudz6mha\",\"data\":{\"name\":\"Mm\",\"handle\":\"mmmmmgh\",\"events\":{},\"is_deactivated\":false,\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x948155eb7fb980cc1d6ba75828f762fdac80f4b8835f9d2d563a5b1d6d8eded3",
    "signature": "0x0d3769a1b5881bcb3b6abef23fc017d9b54d9ca18db41e979a7e43c680d24b0f7185c16b882d710a3a48e804c1855017ec6c7d97239a9a740b78c87199c60ce01b",
    "signer": "0xe89B4eA46De23545E8AcB929115775D26A5e8a8d",
    "userId": "539962318"
  }
}